WO2017193531A1 - Ustensile de cuisson - Google Patents

Ustensile de cuisson Download PDF

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Publication number
WO2017193531A1
WO2017193531A1 PCT/CN2016/101196 CN2016101196W WO2017193531A1 WO 2017193531 A1 WO2017193531 A1 WO 2017193531A1 CN 2016101196 W CN2016101196 W CN 2016101196W WO 2017193531 A1 WO2017193531 A1 WO 2017193531A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive
ring
magnetic
hair
tropics
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/101196
Other languages
English (en)
Chinese (zh)
Inventor
徐腾飞
吴培洪
黄宇华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201610323141.6A external-priority patent/CN107361620B/zh
Priority claimed from CN201620443383.4U external-priority patent/CN205831627U/zh
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to EP16901486.7A priority Critical patent/EP3456224B1/fr
Publication of WO2017193531A1 publication Critical patent/WO2017193531A1/fr
Priority to US16/188,320 priority patent/US11304269B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • A47J37/0611—Roasters; Grills; Sandwich grills the food being cooked between two heating plates, e.g. waffle-irons
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/44—Coil arrangements having more than one coil or coil segment
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/10—Frying pans, e.g. frying pans with integrated lids or basting devices

Definitions

  • the present invention relates to the field of kitchen appliance technology, and more particularly to a cooking appliance.
  • Cooking utensils such as rice cookers, grilling machines, etc.
  • Cooking utensils generally have three-dimensional heating, that is, while heating elements are placed at the bottom of the pot body (or the lower baking pan), heating elements are often placed on the lid body (upper baking pan).
  • the three-dimensional heating is realized, so that the upper and lower sides of the conditioning material are heated uniformly, and the mouthfeel is good.
  • this requires the installation of two or more heating elements, which not only increases the cost of manufacturing, but also causes the products produced to be too large and does not meet the requirements of the market.
  • the cooking appliance is IH (electromagnetic) heating or electric heating tube heating
  • the part opposite to the induction coil or the electric heating tube receives more heat
  • the part farther from the heating source receives less heat, which causes uneven heating area.
  • a thermal diffusion layer (usually made of a metal having a strong thermal conductivity, such as aluminum) is added between the heating source and the conditioning material, and the heat is uniformly uploaded through the thermal diffusion layer.
  • the conditioning agent is added to reduce the difference in heat of the conditioning material, but this does not substantially solve the uneven heating of the conditioning material.
  • the present invention aims to solve at least one of the technical problems existing in the prior art.
  • the invention consists in proposing a cooking appliance which can achieve a three-dimensional heating and a uniform heating.
  • the cooking appliance according to the present invention comprises: a pot body, the pot body is provided with a first magnetic conductive ring and a first conductive hair tropic, and the first conductive tropical tropic is connected with the first magnetic conductive ring to form a closed loop a cover body, the cover body can openly cover the pot body, the cover body is provided with a second magnetic conductive ring and a second conductive hair tropic, the second conductive tropics and the second guide
  • the magnetic rings are connected to form a closed loop; an induction coil is disposed between the first magnetically conductive ring and the second magnetically conductive ring, and the induction coil and the first magnetically conductive ring respectively The second magnetically permeable ring is opposite.
  • the induction coil is disposed between the first magnetically permeable ring and the second magnetically permeable ring, and when the induction coil is energized, the induced electromotive force can be generated simultaneously on the first magnetically permeable ring and the second magnetically permeable ring.
  • the pot body and the lid body are heated, thereby not only reducing the use of the induction coil, saving cost, improving the utilization rate of the electromagnetic induction energy, but also making the cooking utensil thinner.
  • a cross section of the first magnetically permeable ring has an arc shape with an opening upward
  • a cross section of the second magnetic permeable ring has an arc shape with an opening downward
  • the induction coil is located at the first The inner side of the magnetically permeable ring and the second magnetically permeable ring.
  • the inner circumference of the first magnetically permeable ring and the inner circumference of the second magnetically permeable ring are vertically opposed and spaced apart, and the outer circumference of the first magnetically permeable ring and the second The outer circumference of the magnetically permeable ring is opposed to each other and spaced apart.
  • an inner circumference of the first magnetically permeable ring and an inner circumference of the second magnetically permeable ring and an outer circumference of the first magnetically permeable ring and the second magnetically permeable A slit having a size ranging from 1 mm to 20 mm is formed between the outer peripheral edges of the ring.
  • an inner circumference of the first magnetically permeable ring and an inner circumference of the second magnetically permeable ring and an outer circumference of the first magnetically permeable ring and the second magnetically permeable are separated by a spacer.
  • the cover body has a transparent cover shape
  • the second conductive hair tropic is a transparent band shape
  • the cover is a glass cover and the second conductive hair is an ITO conductive tape.
  • a distance between the induction coil and the first magnetically permeable ring is not greater than a distance between the induction coil and the second magnetically permeable ring.
  • the first magnetic flux guiding ring extends along the circumference of the pot body to form a ring having a notch
  • the two ends of the first conductive heat generating body respectively form a gap with the first magnetic conducting ring
  • the two ends are connected to each other and are located inside the first magnetically conductive ring
  • the second magnetic conductive ring extends along the circumference of the cover to form a ring having a notch
  • the two ends of the second conductive tropical It is connected to both ends of the notch of the second magnetically conductive ring and is located inside the second magnetically conductive ring.
  • the first conductive hair tropics are uniformly arranged on the pan body, and the second conductive hair tropics are evenly arranged on the cover body.
  • the first conductive hair dryer is circumferentially extended on the pot body, and the second conductive hair dryer is circumferentially extended on the lid body.
  • any one of the first conductive hair tropics and the second conductive hair tropics includes a plurality of spiral rings spaced apart from each other, each of the spiral rings being along the insulating cover
  • the circumferential direction extends from the outer to the inner spiral, and the plurality of spiral loops are spirally and nested, and the plurality of spiral loops are connected in series.
  • the first conductive hair tropics and the second conductive hair tropics each include two of the spiral loops connected at an inner end.
  • the first conductive tropical and the second conductive tropical are both magnetically conductive and tropical.
  • the width of the first magnetically conductive ring is greater than the width of the first conductive tropical hair
  • the width of the second magnetic conductive ring is greater than the width of the second conductive tropical.
  • the pot body is a ceramic pot body
  • the lid body is a ceramic lid body
  • At least one of the first conductive hair tropic and the first magnetic conductive ring includes a plurality, each of the first conductive hair tropics and at least one of the first magnetic conductive ring strings Forming a loop, and each of the first magnetically conductive loops is connected in series with at least one of the first conductive tropical belts, and at least one of the second conductive tropical and the second magnetically conductive loops comprises Multiple, each of the second conductive hair tropics is connected in series with at least one of the second magnetic conductive rings Forming a loop, and each of the second magnetically permeable rings is connected in series with at least one of the second conductive tropics to form a loop.
  • the first conductive hair tropics include a plurality of, the plurality of first conductive tropics are connected in parallel to form a loop in series with the first magnetically permeable ring, and the second conductive tropics include A plurality of the plurality of second conductive hairs are connected in parallel to form a loop in series with the second magnetically conductive ring.
  • the first magnetic conductive ring includes a plurality of, and the plurality of the first magnetic conductive rings are connected in parallel to form a loop with the first conductive tropical connection, and the second magnetic conductive ring includes And a plurality of the second magnetically conductive rings are connected in parallel to form a loop with the second conductive tropical connection.
  • the first magnetic conductive ring includes a plurality of mutually independent ones
  • the first conductive tropical light includes a plurality of ones that are independent of each other and one-to-one corresponding to the plurality of the first magnetic conductive rings
  • each Each of the first conductive hair tropics is connected in series with the corresponding first magnetic conductive ring to form a loop
  • the second magnetic conductive ring comprises a plurality of independent ones
  • the second conductive tropical tropics comprise mutually independent
  • a plurality of the plurality of second magnetic flux guiding rings are arranged in a one-to-one correspondence
  • each of the second conductive natural heat sources is connected in series with the corresponding second magnetic conductive ring to form a loop.
  • the first magnetically permeable ring is a plurality of inner and outer nested arrangements
  • the second magnetically permeable ring is a plurality of inner and outer nested arrangements
  • the first magnetically permeable ring and the The second magnetic flux guiding ring is in one-to-one correspondence
  • the corresponding first magnetic conductive ring and the second magnetic conductive ring are vertically opposed to each other
  • the induction coil comprises a plurality of inner and outer nested arrangements, and each set of opposite first magnetic conductive rings At least one of the induction coils is disposed between the second magnetically conductive ring.
  • the plurality of induction coils are energized or de-energized independently of one another.
  • a total length of the first conductive hair tropics is greater than a length of the first conductive ring extending in a circumferential direction, and a total length of the second conductive tropics is greater than the second magnetic conductive ring The length extending in the circumferential direction.
  • the cooking appliance is a grilling machine.
  • FIG. 1 is a schematic view of a cooking appliance in accordance with an embodiment of the present invention.
  • Figure 2 is a schematic view of the first magnetically conductive ring and the first conductive heat generating body on the pot body shown in Figure 1;
  • FIG. 3 is a cross-sectional view of a first magnetically permeable ring and a second magnetically permeable ring and an induction coil, in accordance with one embodiment of the present invention
  • FIG. 4 is a cross-sectional view of a first magnetically permeable ring and a second magnetically permeable ring and an induction coil in accordance with another embodiment of the present invention.
  • a cooking appliance 100 in accordance with an embodiment of the present invention will now be described with reference to Figures 1-4.
  • a cooking appliance 100 includes a pot body 1, a cover body 2, and an induction coil 3.
  • the pot body 1 is provided with a first magnetic conductive ring 11 and a first conductive heat generating belt 12, and the first conductive heat generating belt 12 is connected with the first magnetic conductive ring 11 to form a closed loop;
  • the cover body 2 can openly cover the pot Body 2, the cover body 2 is provided with a second magnetic conductive ring 21 and a second conductive tropical belt 22, the second conductive tropical belt 22 is connected with the second magnetic conductive ring 21 to form a closed loop;
  • the induction coil 3 is arranged at the first magnetic conductive Between the ring 11 and the second magnetically conductive ring 21, and the induction coil 3 is opposite to the first magnetically conductive ring 11 and the second magnetically conductive ring 21, respectively.
  • the inductive coil 3 referred to in the present invention is respectively opposite to the first magnetic conductive ring 11 and the second magnetic conductive ring 21, and refers to the induction coil 3 generated when the induction coil 3 is energized.
  • the induced magnetic field will cover at least a portion of the first magnetically permeable ring 11 and the second magnetically permeable ring 21, respectively.
  • the induction coil 3 When an alternating current is passed through the induction coil 3, the induction coil 3 produces a variable magnetic field, and the alternating magnetic field passes through the first magnetically permeable ring 11 and the second magnetically permeable ring 21, respectively, so as to be respectively in the first magnetically permeable ring 11 and A potential difference is formed at both ends of the second magnetic flux ring 21, and the first conductive heat generating belt 12 and the first magnetic conductive ring 11 are connected in series to form a closed loop, so that the first conductive heat generating belt 12 and the first magnetic conductive ring 11 can be closed. A current is formed in the loop.
  • the second conductive heat generating belt 22 and the second magnetic conductive ring 21 are connected in series to form a closed loop, a current can be formed in the closed loop of the second conductive heat generating belt 22 and the second magnetic conductive ring 21, thereby The place where the electric current passes generates heat, and the pot body 1 and the lid body 2 are heated. Thereby, stereoscopic uniform heating of the cooking appliance 100 can be achieved.
  • the induction coil 3 is disposed between the first magnetically permeable ring 11 and the second magnetically permeable ring 21, and when the induction coil 3 is energized, the first magnetically permeable ring 11 and the second can be simultaneously An induced electromotive force is generated on the magnetic flux ring 21, and at the same time, the pot body 1 and the lid body 2 are heated, thereby not only reducing the use of the induction coil 3, but also saving cost and improving The utilization of electromagnetic induction energy can also make the cooker 100 thinner.
  • the first magnetic flux ring 11 has an arc shape with an opening upward
  • the second magnetic ring 21 has an arc shape with an open downward cross section
  • the induction coil 3 Located inside the first magnetically permeable ring 11 and the second magnetically permeable ring 21, that is, the induction coil 3 is wrapped between the first magnetically permeable ring 11 and the second magnetically permeable ring 21, thereby effectively avoiding magnetic lines of force
  • the leakage further improves the utilization of electromagnetic induction energy.
  • the inner circumference of the first magnetic flux ring 11 and the inner circumference of the second magnetic flux ring 21 are vertically opposed and spaced apart, and the outer circumference of the first magnetic flux ring 11 and the second guide The outer circumference of the magnetic ring 21 is opposed to each other and spaced apart.
  • a slit having a size ranging from 1 mm to 20 mm is formed between the inner circumference of the first magnetic flux ring 11 and the inner circumference of the second magnetic flux ring 21 and between the outer circumference of the first magnetic flux ring 11 and the outer circumference of the second magnetic flux ring 21.
  • the cover 2 is in the shape of a transparent cover 2 and the second conductive tropics 22 are in the form of a transparent strip.
  • the lid body 2 can be visualized, and at the same time, since the second conductive strip can generate heat, the probability that the lid body 2 forms dew due to steam can be effectively reduced, and it is more advantageous to observe the cooking condition of the conditioner in the cooking appliance 100.
  • cover body 2 is a glass cover body 2
  • the second conductive hair growth zone 22 is an ITO (conductive glass) conductive tape, whereby the overall visualization of the cover body 2 can be realized, and the cooking condition in the cooking appliance 100 can be easily observed.
  • ITO conductive glass
  • the distance between the induction coil 3 and the first magnetically permeable ring 11 is not greater than the distance between the induction coil 3 and the second magnetically permeable ring 21, thereby ensuring the pot body. 1 can get enough induction energy to cook food.
  • the first magnetic conductive ring 11 extends along the circumference of the pot body 1 to form a ring shape having a notch, and the two ends of the first conductive heat-producing belt 12 are respectively The two ends of the gap of the magnetic flux ring 11 are connected and located inside the first magnetic flux ring 11, thereby reducing the influence of the first magnetic flux ring 11 on the intermediate position of the pot body 1 and causing the heat in the middle position of the pot body 1. More even.
  • the second magnetic flux guiding ring 21 extends along the circumference of the cover body 2 to form a ring having a notch.
  • the two ends of the second conductive heat generating belt 22 are respectively connected to the two ends of the notch of the second magnetic conductive ring 21 and are located at the second magnetic conductive portion.
  • the inner side of the ring 21 can thereby reduce the influence of the second magnetic flux ring 21 on the intermediate position of the lid body 2, and the heat generation at the intermediate position of the lid body 2 can be more uniform.
  • the first conductive hair tropics 12 are evenly arranged on the pot body 1 to make the heat on the pot body 1 more uniform, and the second conductive tropics 22 Evenly arranged on the cover 2, thereby being The heat on the cover 2 is made more uniform.
  • the uniform arrangement of the first conductive hair tropics 12 means that the width and the gap of the first conductive tropics 12 are substantially the same within the coverage of the first conductive tropics 12, thereby achieving uniform heating of the pot body 1;
  • the uniform arrangement of the second conductive hair tropics 22 means that the width and the gap of the second conductive tropics 22 are substantially the same within the coverage of the second conductive tropics 22, thereby achieving uniform heating of the cover 2.
  • the first conductive hair dryer 12 is circumferentially extended on the pot body 1 and the second conductive hair dryer 22 is circumferentially extended on the lid body 2.
  • the first conductive hair tropics 12 and the second conductive tropics 22 can respectively adapt to the different shapes of the pot body 1 and the lid body 2, and at the same time, the first conductive hair tropics 12 can be more evenly distributed on the pot body 1.
  • the distribution of the second conductive hair tropics 22 on the cover body 2 is more uniform, and the heating dead zone is avoided, thereby further improving the uniformity of heating of the pan body 1 and the cover body 2.
  • any one of the first conductive tropical belt 12 and the second conductive tropical belt 22 includes a plurality of spiral rings spaced apart from each other, each spiral ring extending from the outer to the inner spiral along the circumferential direction of the insulating cover 2
  • the plurality of spiral loops are spirally arranged in a nest and are arranged in a nest, and the plurality of spiral loops are connected in series. In this way, by a plurality of spiral rings arranged in a nest, the number of turns of the spiral ring can be increased without changing the length of the single spiral ring, thereby making the heating of the pot body 1 and the cover body 2 more uniform, respectively.
  • the plurality of spiral loops are connected in series, so that the first magnetic conductive ring 11 and the first conductive heat generating belt 12 form a closed current loop, and the second magnetic conductive loop 21 and the second conductive heat generating fluid 22 form a closed current loop, thereby passing current Heat is generated to heat the pot body 1 and the lid body 2.
  • the first conductive tropical zone 12 and the second conductive tropical zone 22 each include two spiral rings connected at the inner ends.
  • the structure of the first conductive hair tropics 12 and the second conductive tropics 22 can be simplified while improving the uniform heating of the pot body 1 and the lid body 2.
  • the first conductive hairspring 12 and the second conductive hair dryer 22 are both magnetically conductive and tropical. Thereby, the induced magnetic field generated by the induction coil 3 can be prevented from acting on the first conductive heat-generating tropics 12 and the second conductive heat-generating tropics 22, and the uniformity of heat of the pot body 1 and the lid body 2 can be ensured.
  • the width of the first magnetically permeable ring 11 is greater than the width of the first conductive tropics 12, and the width of the second magnetically permeable ring 21 is greater than the width of the second electrically conductive tropics 22.
  • both the pan 1 and the cover 2 are made of a non-magnetically conductive, non-conductive material.
  • the pot body may be a ceramic pot body
  • the cover body may be a ceramic cover body, thereby preventing the induced magnetic field generated by the induction coil 3 from affecting the pot body 1 and the cover body 2, thereby ensuring uniform heating of the pot body 1 and the cover body 2.
  • sexuality improves the safety of the cooking appliance 100 during use.
  • At least one of the first conductive tropical 12 and the first magnetically conductive ring 11 comprises That is to say, the first conductive hair tropics 12 may include a plurality of, the first magnetic conductive ring 11 may also include a plurality of, and the first conductive tropics 12 and the first magnetic conductive rings 11 may each include a plurality.
  • Each of the first conductive hair tropics 12 and the at least one first magnetic conductive ring 11 are connected in series to form a loop, that is, each of the first conductive tropics 12 may be connected in series with only one first magnetic conductive ring 11 to form a loop.
  • a plurality of first magnetically conductive rings 11 may be connected in series to form a loop; and each of the first magnetic conductive rings 11 is connected in series with at least one first conductive heat generating belt 12 to form a loop, that is, each first magnetic conductive ring 11 may form a loop only with one first conductive heat to be connected in series, or may form a loop in series with a plurality of first conductive hairs 12 . Thereby, the uniformity of heating of the pot body 1 can be further improved.
  • At least one of the second conductive tropics 22 and the second magnetically permeable ring 21 includes a plurality of, that is, the second conductive tropics 22 may include a plurality, and the second magnetically permeable ring 21 may also include a plurality of It is the second conductive hair tropics 22 and the second magnetic conductive ring 21 each including a plurality of.
  • Each of the second conductive tropics 22 and the at least one second magnetic permeable ring 21 are connected in series to form a loop, that is, each of the second conductive tropics 22 may be connected in series with only one second magnetically permeable ring 21 to form a loop.
  • a plurality of second magnetically conductive rings 21 may be connected in series to form a loop; and each of the second magnetic conductive rings 21 is connected in series with at least one second conductive heat generating belt 22 to form a loop, that is, each second magnetically conductive ring 21 may form a loop only with one second conductive heat to be connected in series, or may be connected in series with a plurality of second conductive heat sources 22. Thereby, the uniformity of heating of the lid body 2 can be further improved.
  • the first conductive hair tropics 12 includes a plurality of, and the plurality of first conductive tropics 12 are connected in series with the first magnetic conductive ring 11 to form a loop, and the second conductive tropics 22 include a plurality of The conductive hair tropics 22 are connected in parallel and connected in series with the second magnetic conductive ring 21 to form a loop.
  • the heat of the pan 1 and the lid 2 can be made more uniform.
  • the first magnetic flux ring 11 includes a plurality of, and the plurality of first magnetic conductive rings 11 are connected in parallel to form a loop with the first conductive heat generating belt 12, and the second magnetic conductive ring 21 includes a plurality of After the two magnetic rings 21 are connected in parallel, they are connected to the second conductive heat source 22 to form a loop.
  • the current in the first conductive hair tropics 12 and the second conductive tropics 22 can be increased, and the heating efficiency of the pot body 1 and the lid body 2 can be improved.
  • the first magnetic conductive ring 11 includes a plurality of mutually independent ones
  • the first conductive natural heating 12 includes a plurality of ones that are independent of each other and one-to-one corresponding to the plurality of first magnetic conductive rings 11
  • each of the first conductive tropical waves 12 is connected in series with the corresponding first magnetic flux ring 11 to form a loop, thereby further improving the uniformity of heating of the pot body 1.
  • the second magnetic conductive ring 21 includes a plurality of mutually independent ones, and the second conductive tropical heat source 22 includes a plurality of ones that are independent of each other and one-to-one corresponding to the plurality of second magnetic conductive rings 21, and each of the second conductive tropical regions 22 corresponds to
  • the second magnetically permeable ring 21 is connected in series to form a loop, thereby further improving the uniformity of heating of the cover 2.
  • the first magnetically conductive ring 11 is a plurality of inner and outer nested arrangements
  • the second magnetic conductive ring 21 is a plurality of inner and outer nested arrangements
  • the first magnetic conductive ring 11 and the second magnetic conductive ring 21 are one by one.
  • the first magnetically conductive ring 11 and the second magnetically conductive ring 21 are vertically opposed to each other
  • the induction coil 3 includes a plurality of inner and outer nested arrangements, and each set of opposite first magnetically conductive rings 11 and second magnetically conductive At least one induction coil 3 is provided between the rings 21.
  • the plurality of induction coils 3 are energized or de-energized independently of each other. Thus, when different functions of the cooking appliance 100 are used, a single induction coil 3 or a plurality of induction coils 3 can be energized to achieve heating requirements for different functions.
  • the total length of the first conductive hair tropics 12 is greater than the length of the first magnetic conductive ring 11 extending in the circumferential direction, and the total length of the second conductive tropics 22 is greater than the circumference of the second magnetic conductive ring 21 The length of the extension.
  • a cooking appliance 100 in accordance with one embodiment of the present invention will now be described with reference to Figures 1-4.
  • the cooking appliance 100 is a grilling machine.
  • the grilling machine includes an upper baking pan (such as the lid body 2 shown in FIG. 1), a lower baking pan (such as the pan body 1 shown in FIG. 1), and an induction coil 3.
  • the first conductive ring 11 and the first conductive heat-producing belt 12 are disposed on the lower baking tray, wherein the first magnetic conductive ring 11 is located outside the first conductive heat-producing belt 12, and the first conductive The hair tropics 12 are evenly arranged on the lower baking pan, the first magnetic conductive ring 11 is formed as a ring having a notch, and the first conductive tropics 12 includes two co-directional spiral rings arranged in series and nested at the inner ends, two co-directional spirals The outer ends of the rings are respectively connected to the two ends of the first magnetically conductive ring 11.
  • the upper baking pan is made of transparent glass material
  • the second conductive hair tropic 22 is also made of transparent conductive glass (for example, ITO) to visualize the entire baking pan, and because the second conductive tropics 22 itself can generate heat. It greatly reduces the chance that the upper baking sheet will form dew due to steam, which is more conducive to observe the cooking condition of the conditioning material.
  • the cross section of the first magnetic conductive ring 11 has an arc shape with an opening upward
  • the interface of the second magnetic conductive ring 21 has an arc with an opening downward.
  • the outer circumferences of a magnetically conductive ring 11 and a second magnetically conductive ring 21 are vertically opposed, and the inner circumferences of the first magnetically conductive ring 11 and the second magnetically conductive ring 21 are vertically opposed, and the outer circumference of the first magnetically conductive ring 11 and the second A slit having a size ranging from 1 mm to 20 mm is formed between the outer peripheral edge of the magnetic flux ring 21 and the inner peripheral edge of the first magnetic conductive ring 11 and the inner peripheral edge of the second magnetic conductive ring 21.
  • the induction coil 3 is disposed inside the first magnetically permeable ring 11 and the second magnetically permeable ring 21 to avoid leakage of magnetic lines of force and further improve utilization of electromagnetic induction energy.
  • the distance between the induction coil 3 and the first magnetically conductive ring 11 is less than or equal to the distance between the induction coil 3 and the second magnetically conductive ring 21, so as to ensure that the lower baking tray can obtain sufficient induction energy to grill the food.
  • the induction coil 3 After the induction coil 3 is connected to the alternating current, since the induction coil 3 is opposite to the first magnetically conductive ring 11 and the second magnetically conductive ring 21, the second conductive tropical zone 22 located on the upper baking plate passes through the second upper baking plate.
  • the induced electromotive force at both ends of the magnetic flux ring 21 generates an induced current to heat the upper baking pan; the first conductive tropical fin 12 located in the lower baking pan passes through the first magnetic conductive ring of the lower baking pan
  • the induced electromotive force at both ends of the 11 produces an induced current to heat the lower baking pan.
  • the grilling machine of the embodiment of the present invention when the induction coil 3 is energized, heat generation of the upper and lower baking trays can be simultaneously achieved, thereby greatly reducing the cost, and the grilling machine can also be made thinner and the utilization ratio of the electromagnetic induction can be made. Also higher.
  • the first magnetic conductive ring 11 and the second magnetic conductive ring 21 are respectively disposed at the periphery of the baking tray of the grilling machine, and the first conductive tropical belt 12 and the second conductive tropical belt 22 are spirally formed for the loop. Main heating, thereby facilitating the uniform heating of the grilling zone as the main heating.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium, can be the internal connection of two components or the interaction of two components .
  • installation can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

Un ustensile de cuissson (100), comprenant : un corps de creuset (1), un corps de couvercle (2) et une bobine d'induction (3). Un premier anneau conducteur magnétique (11) et une première courroie d'émission de chaleur (12) électriquement conductrice qui sont connectés l'un à l'autre et forment une boucle fermée sont disposés sur le corps de creuset (1). Une seconde courroie d'émission de chaleur (22) conductrice d'électricité et un second anneau conducteur magnétique (21) qui sont connectés l'un à l'autre et forment une boucle fermée sont disposés sur le corps de couvercle (2). La bobine d'induction (3) est opposée au premier anneau conducteur magnétique (11) et au second anneau conducteur magnétique (21).
PCT/CN2016/101196 2016-05-13 2016-09-30 Ustensile de cuisson Ceased WO2017193531A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16901486.7A EP3456224B1 (fr) 2016-05-13 2016-09-30 Ustensile de cuisson
US16/188,320 US11304269B2 (en) 2016-05-13 2018-11-13 Cooking utensil

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201610323141.6A CN107361620B (zh) 2016-05-13 2016-05-13 烹饪器具
CN201620443383.4 2016-05-13
CN201620443383.4U CN205831627U (zh) 2016-05-13 2016-05-13 烹饪器具
CN201610323141.6 2016-05-13

Related Child Applications (1)

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US16/188,320 Continuation US11304269B2 (en) 2016-05-13 2018-11-13 Cooking utensil

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WO2017193531A1 true WO2017193531A1 (fr) 2017-11-16

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PCT/CN2016/101196 Ceased WO2017193531A1 (fr) 2016-05-13 2016-09-30 Ustensile de cuisson

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US (1) US11304269B2 (fr)
EP (1) EP3456224B1 (fr)
WO (1) WO2017193531A1 (fr)

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KR102836706B1 (ko) * 2019-08-13 2025-07-18 엘지전자 주식회사 블렌더
USD990977S1 (en) * 2020-07-20 2023-07-04 Bdmr Holdings Ltd. Sous vide immersion circulator

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EP3456224A1 (fr) 2019-03-20
EP3456224B1 (fr) 2020-11-11
US20190082504A1 (en) 2019-03-14
US11304269B2 (en) 2022-04-12
EP3456224A4 (fr) 2019-11-27

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